@extends('admin.layout.app')

@section('body')
    <div class="card card-page p-4">
        {{-- Flash alerts --}}
        @if (session('success'))
            <div class="alert alert-success">{{ session('success') }}</div>
        @endif
        @if (session('error'))
            <div class="alert alert-danger">{{ session('error') }}</div>
        @endif

        {{-- Validation summary --}}
        @if ($errors->any())
            <div class="alert alert-danger">
                <strong>There were some problems with your input:</strong>
                <ul class="mb-0">
                    @foreach ($errors->all() as $e)
                        <li>{{ $e }}</li>
                    @endforeach
                </ul>
            </div>
        @endif

        <div class="d-flex justify-content-between align-items-center mb-3">
            <div>
                <h4 class="mb-0"><i class="fas fa-plus me-2"></i> New Fuel Expense</h4>
                <small class="text-muted">Add equipment fuel spend with attachments</small>
            </div>
            <a href="{{ route('machinery-fuel-expenses.index') }}" class="btn btn-outline-primary">Back</a>
        </div>

        <form action="{{ route('machinery-fuel-expenses.store') }}" method="POST" enctype="multipart/form-data" novalidate>
            @csrf
            <div class="row g-3">
                {{-- Machinery --}}
                <div class="col-md-6">
                    <label class="form-label">Machinery <span class="text-danger">*</span></label>
                    <select name="machinery_id" class="form-select @error('machinery_id') is-invalid @enderror" >
                        <option value="">-- Select --</option>
                        @foreach ($machineries as $m)
                            <option value="{{ $m->id }}">{{ $m->name . '# PL-NO ' . $m->plate_number }}
                            </option>
                        @endforeach
                    </select>
                    @error('machinery_id')
                        <div class="invalid-feedback d-block">{{ $message }}</div>
                    @enderror
                </div>

                {{-- Date --}}
                <div class="col-md-3">
                    <label class="form-label">Date <span class="text-danger">*</span></label>
                    <input type="date" name="spent_at" class="form-control @error('spent_at') is-invalid @enderror"
                        value="{{ old('spent_at') }}" >
                    @error('spent_at')
                        <div class="invalid-feedback d-block">{{ $message }}</div>
                    @enderror
                </div>

                {{-- Vendor --}}
                <div class="col-md-3">
                    <label class="form-label">Vendor</label>
                    <input type="text" name="vendor" class="form-control @error('vendor') is-invalid @enderror"
                        value="{{ old('vendor') }}" placeholder="Station/Pump">
                    @error('vendor')
                        <div class="invalid-feedback d-block">{{ $message }}</div>
                    @enderror
                </div>

                {{-- Liters --}}
                <div class="col-md-3">
                    <label class="form-label">Liters <span class="text-danger">*</span></label>
                    <input type="number" step="0.01" name="quantity_liters" id="qtyLiters"
                        class="form-control @error('quantity_liters') is-invalid @enderror"
                        value="{{ old('quantity_liters') ?? 0 }}" >
                    @error('quantity_liters')
                        <div class="invalid-feedback d-block">{{ $message }}</div>
                    @enderror
                </div>

                {{-- Unit Price --}}
                <div class="col-md-3">
                    <label class="form-label">Unit Price <span class="text-danger">*</span></label>
                    <input type="number" step="0.01" name="unit_price" id="unitPrice"
                        class="form-control @error('unit_price') is-invalid @enderror" value="0"
                        >
                    @error('unit_price')
                        <div class="invalid-feedback d-block">{{ $message }}</div>
                    @enderror
                </div>

                {{-- Amount (auto calc) --}}
                <div class="col-md-3">
                    <label class="form-label">Amount (auto)</label>
                    <input type="number" step="0.01" id="amountAuto" class="form-control" value=""
                        placeholder="Liters × Unit Price" >
                </div>

                {{-- Meter Reading --}}
                <div class="col-md-3">
                    <label class="form-label">Meter Reading</label>
                    <input type="text" name="meter_reading"
                        class="form-control @error('meter_reading') is-invalid @enderror"
                        value="{{ old('meter_reading') }}" placeholder="Hour/Odometer">
                    @error('meter_reading')
                        <div class="invalid-feedback d-block">{{ $message }}</div>
                    @enderror
                </div>

                {{-- Notes --}}
                <div class="col-md-12">
                    <label class="form-label">Notes</label>
                    <textarea name="notes" class="form-control @error('notes') is-invalid @enderror" rows="3">{{ old('notes') }}</textarea>
                    @error('notes')
                        <div class="invalid-feedback d-block">{{ $message }}</div>
                    @enderror
                </div>

                {{-- Attachments --}}
                <div class="col-md-12">
                    <label class="form-label">Attachments</label>
                    <input type="file" name="attachments[]"
                        class="form-control @error('attachments.*') is-invalid @enderror" multiple
                        accept=".pdf,.png,.jpg,.jpeg,.gif,.webp,.doc,.docx,.xls,.xlsx,.ppt,.pptx,.txt">
                    <small class="text-muted">You can upload multiple files (receipts, photos, PDF...)</small>
                    @error('attachments.*')
                        <div class="invalid-feedback d-block">{{ $message }}</div>
                    @enderror
                </div>
            </div>

            <div class="mt-4 d-flex gap-2">
                <button class="btn btn-primary"><i class="fas fa-save me-2"></i> Save</button>
                <a href="{{ route('machinery-fuel-expenses.index') }}" class="btn btn-outline-secondary">Cancel</a>
            </div>
        </form>
    </div>

    {{-- quick auto-calc --}}
    <script>
        (function() {
            const q = document.getElementById('qtyLiters');
            const p = document.getElementById('unitPrice');
            const a = document.getElementById('amountAuto');

            function recalc() {
                const qty = parseFloat(q?.value) || 0;
                const price = parseFloat(p?.value) || 0;
                if (a) a.value = (qty * price).toFixed(2);
            }
            q?.addEventListener('input', recalc);
            p?.addEventListener('input', recalc);
            recalc();
        })();
    </script>
@endsection